You might need to do an Archive and Install installation, this will transfer your existing Mac OS X system files to a folder named Previous System, and then it will install a new copy of Mac OS X on the volume you have selected.
More good info is available at - http://support.apple.com/kb/TS1545
In Mac OS 10.4.11 - When saving a document from an application in list view the finder does not open...
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In Mac OS 10.4.11 - When saving a document from an application in list view the finder does not open the subdirectory properly. It will display the subdirectory in the same window and doesn't save the file in the correct folder.
I have an iMac OS 10.4.11. Recently the arrow (mouse) has started jumping about. Also (begun at...
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I have an iMac OS 10.4.11. Recently the arrow (mouse) has started jumping about. Also (begun at the same time) the screen suddenly goes black and then comes back with the screen saver and then back to wherever I was